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 Remote control the CCC Basel video projector via MQTT ( -> ESP8266 -> RS232 -> projector ).
 
 This repo contains
-* An ESP8266 firmware which connects to an MQTT server and subscribes to certain command topics
-* An adapter and power supply PCB which connects an ESP-01 to a MAX3232 board and provides power to both from a USB Micro-B socket.
+* A [PlatformIO][pio] project for an ESP8266 firmware which connects to an MQTT server and subscribes to certain command topics
+* A [KiCad][kicad] project for an adapter and power supply PCB which connects an ESP-01 to a MAX3232 board and provides power to both from a USB Micro-B socket.
 
 ## ESP8266 Firmware
 
@@ -49,4 +49,6 @@ pio run -e benqx3000i -t upload --upload-port /dev/tty<X>
 1. The 2x2 in header can face either direction (if facing down, check beforehand whether there's enough space to the MAX3232 board
 1. The jumpers go next to each other on the 2x2 pin header.  Depending on their orientation, Rx and Tx can be swapped if necessary.
 
+[pio]: https://platformio.org/
+[kicad]: https://www.kicad.org/
 [max3232]: https://de.aliexpress.com/item/1005001548466845.html?spm=a2g0o.productlist.0.0.29142932HtTivS&algo_pvid=37640f61-ffd9-40fb-b468-f261709c162b&algo_exp_id=37640f61-ffd9-40fb-b468-f261709c162b-1&pdp_ext_f=%7B%22sku_id%22%3A%2212000016543520800%22%7D&pdp_npi=2%40dis%21CHF%21%210.41%21%21%21%21%21%402101d8b516564877891056410e1251%2112000016543520800%21sea
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