The Things Network

The BARGAIN basement part 7

Jeff-UK (Jeff Uk) November 7, 2020, 6:48pm 13

Nick just posted this one…worth a punt?

The WORKBENCH part 5

Found this little ATmega328P + RFM95W combo on AliExpress … [ATmega328 board] [RFM95W] Small box of 5, separate MCU board + radio chips cost £22.27 aka £5.44 each. The vendor sells a number of combinations for regional frequencies or using RFM69. The PCB doesn’t have a link for DIO1 trace, hence the yellow wire. Took about 5 minutes to solder and three minutes to setup ABP & download using Classic LMIC and see uplinks. Tomorrow I’m make another, add DHT11’s & a 7805 Vreg and wire them to …

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