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123 lines
6.5 KiB
Markdown
123 lines
6.5 KiB
Markdown
# Solder Plate Controller with Detachable Hotplate
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This repository contains the source code and design files for a Solder Plate Controller and detachable hotplate. Processor used is ATmega4809 and is based on the work of DerSpatz: https://github.com/DerSpatz/PCB-reflow-solder-heat-plate
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## Features
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- Precise temperature control for soldering SMD components. with support of **up to 6 thermistors**.
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- Cheap and widely available MCU- Atmega4809 and low BOM cost
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- Custom PCB design with 2 version: Single area control (Completed) and 4 independent heating zones control(In works)
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- Detacbale hotplate allows for use of new heatplate designs including larger ones
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- Programming via USB
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- PlatformIO integration for streamlined development.
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- wifi via esp8266-12f module (with wifi version - In Development).
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- Based on Reflow Hotplate by DerSpatz with some improvements
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- Oled for menu navigation, debbuging and thermistor info
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- TFT for reflow profile target and actual temp
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- 4 buttons for menu nativation
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- Current sense IC for current monitoring
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- 3 indicator LED's. They work for both menu and REFLOW profiles (Blinking while on the current stage and solid once profile stage is complete)
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- Buzzer for complete notification
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- Buck- Converter for input voltage allowing up to 24V in
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- 24V+ rated input voltage stage components allowing theoretcally up to 24V to be used (not yet tested)
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- Optional fan for cooling stage (Not yet implimted)
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- Included files for a case and guard for the detachable plate terminal guard
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## Getting Started
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### Prerequisites
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- PlatformIO Core or PlatformIO IDE.
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- ATmega4809 microcontroller and all the BOM components
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- Basic soldering tools and electronic assembly skills.
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- Access to a PCB manufacturing service or soldering equipment (solder paste, hot air gun, tweezers)
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- Some basic technical skills
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### Hardware Setup
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1. **PCB Fabrication:** Fabricate the PCB using the provided gerber files. You can use these to order the naked PCB from services like JLCPCB
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2. **Component Assembly:** Solder the components onto the PCB as per the schematic or choose a SMT assembly service like the ones from JLCPCB
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3. **Power Supply Connection:** Choose a suitable power supply. 12V 5A tested, 24v 5A compatible. Use of more then 5A requires a appropriate FUSE to be chosen and solder on place of F1
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### Preparing the ATmega4809
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Before programming the ATmega4809, it needs to be flashed with a default bootloader.
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1. **Bootloader Flashing:**
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Same process as DerSpatz Solder plate (Direct quote):
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The MCU can be programmed with JTAG2UPDI (https://github.com/ElTangas/jtag2updi). For programming, you need an Arduino with ATMEGA328p (Uno or Nano), some wires, a 4.7k resistor and a 10µF capacitor or 120 Ohm resistor to disable the auto-reset.
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JCM from the Discord explained the process pretty good:
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- Download/Clone this project: https://github.com/ElTangas/jtag2updi and rename the folder "source" to "jtag2updi" (otherwise the Arduino IDE won't like it)
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- Open jtag2updi/jtag2updi.ino in your Arduino IDE
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- Configure the flasher options for your Arduino Nano and flash it
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- Connect D6 of your Arduino Nano over the 4.7kOhm resistor to the UPDI pin of the board and 5V to 5V and GND to 0V
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- Add the MegaCoreX hardware package to the Ardunio IDE (see https://github.com/MCUdude/MegaCoreX#how-to-install)
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- Install the Adafruit_GFX, Adafruit_SSD1306, DallasTemperature and Debounce2 libraries with the Library Manager (you might not need all of them depending on which firmware you plan to use)
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- Download and open the ino you want to upload to the ATMEGA4809 (https://github.com/DerSpatz/PCB-reflow-solder-heat-plate/blob/main/Firmware/pcb_reflow_fw/pcb_reflow_fw.ino)
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- Select the options for the programmer (Board: ATmega4809, Clock: Internal 16 MHz, BOD: 2.6V or 2.7V, EEPROM: retained, Pinout: 48 pin standard, Reset pin: Reset, Bootloader:Optiboot:Uart0(Defualt pins)) and select the port of your Ardunio Nano as Port
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- Make sure the programmer selected is SerialUPDI or JTAG2UPDI
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- Select Burn Bootloader and see if it runs through
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2. **MicroUSB Programming And Firmware Upload:**
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- Using Platformio:
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1. After flashing the bootloader, the ATmega4809 can be programmed via the microUSB connection using PlatformIO by building the project and upload
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// Use a AVR programmer or the jtag2updi modified arduino nano/uno menitoned above
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- Using AVRDude
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1. Folow instructions on : https://github.com/ElTangas/jtag2updi?tab=readme-ov-file#using-with-avrdude
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2. Example : avrdude -c jtag2updi -P com7 -p t1614
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- Using AVRDUDESS (AVRDUDE with GUI interface) -- This section many not be completley finished
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1. Download and install AVRDUDE 6.3 :https://download-mirror.savannah.gnu.org/releases/avrdude/
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2. Download AVRDUDESS : https://github.com/ZakKemble/AVRDUDESS
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3. Download the custom Avrdude config: https://svn.savannah.gnu.org/viewvc/*checkout*/avrdude/trunk/avrdude/avrdude.conf.in?revision=1422
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4. Select the custom avrdude.conf from Option -> avrdude.conf - > choose where you downloaded the custom conf file
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5. Choose the programmer as jtag2updi
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6. Choose the COMPORT where the jtag2updi modified arduino is connected to
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7. Choose the Flash binary under the precomplied binary directory -> set to Write
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8. Press Go
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### Software Installation
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1. **Clone the Repository:**
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```bash
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git clone https://github.com/arwidcool/Solder-Plate
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cd Solder-Plate
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2. **Import in vscode**
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To open a PlatformIO project in VSCode with the PlatformIO extension, follow these steps:
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1. Launch VSCode and ensure that you have the PlatformIO extension installed. If not, you can install it from the VSCode marketplace.
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2. Open the VSCode command palette by pressing Ctrl+Shift+P (Windows/Linux) or Cmd+Shift+P (Mac).
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3. In the command palette, type "PlatformIO: Open" and select the "PlatformIO: Open" command from the list.
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4. Navigate to the root folder of your PlatformIO project using the file explorer that appears.
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5. Select the folder and click "Open" to open the PlatformIO project in VSCode.
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### Usage
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Power On: Connect the controller with a 12V 5A(Tested working) or 24V 5A PSU (Untested)
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Set Profile: Navigate the menu and choose the desired reflow profile
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Start Soldering: Place your PCB and components on the hotplate and start the profile
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### Customization
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Feel free to modify the firmware and PCB design to suit your specific needs.
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### Contributing
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Contributions are welcome. Please follow standard procedures for contributing to open-source projects.
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