# Modules

### ER-OLED015-2B
* [1.5" OLED](http://www.buydisplay.com/default/er-oled015-2b)
* Not used yet

### ER-OLED023-1
* [2.2" OLED Module](http://www.buydisplay.com/default/er-oledm023-1)
* Used with ER-OLED023-1 footprint on Supervide successfully

### ER-OLED024-2
* [2.4" OLED Module](http://www.buydisplay.com/default/er-oledm024-2b)
* Footprint ER-OLED024-2
* Not used yet

### ESP8266-ESP01
* WiFi module
* Available from usual dodgy suppliers
* Used with ESP8266-ESP01 footprint on Supervide

### ESP8266-ESP07
* SMT WiFi module
* Available from same places as ESP01 really
* Some variation in what "ESP07" means makes this a bit less reliable
* Use ESP8266-ESP07 footprint
* Not used used so check carefully

### uBlox MAX-7Q
* [GPS receiver](https://www.u-blox.com/en/product/max-7-series)
* Same footprint and pinout as MAX-M8Q
* Used with MAX-7Q footprint on M2R successfully

### Radiometrix MTX2
* [Radio transmitter](http://www.radiometrix.com/conten/mtx2)
* Used with MTX2 footprint on M2R successfully

### RockBLOCK-Mk1
* [Iridium satellite 
  modem](http://rockblock.rock7mobile.com/products-rockblock)
* This is the old Mk1 connector/module
* Not used yet (have used a normal 4pin connector on M2R)

### XBee
* [XBee Wireless 
  Module](http://www.digi.com/support/productdetail?pid=3430&osvid=0&type=documentation)
* Used with XBEE footprint on M2RL
* Not actually tested