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=== synopsis === Modify the famous Motorola Advisor (from the movie Hackers) so it listens to the LoRa band. === ingredients === * Motorola Advisor I with single AAA battery * RFM95 SX1276 module with helix antenna * step-up (boost) converter to 3.3v * Arduino pro mini 3.3v * RSS.EXE (for resetting password) and ADVISOR.EXE * optional but advised: programming jig with pogo pins * AdvisorRadio.ino that translates LoRa messages into POGSAC 512 Basically, Pena Sarajärvi did all the heavy lifting back in 2021<ref>https://hackaday.io/project/183267-motolora-advisor</ref> === information snippets === external pager header pinout: # TDO (RxD) top # RDI (TxD) middle # GND bottom 2400 baud 3.3v (probably 5v tolerable) pinout of the mini header inside the pager (small pitch, maybe 1mm): # B++ # GND (connected to Arduino, RFM95 and step-up converter) # B+ (connected to step-up converter) # LIM_DATA (connected to Arduino) # A0/SDI/MOSI # A1/SCK # A2/SS (connected to Arduino) # NC/Audio command to send a message using LilyGO TTGO LoRa32 868MHz ESP32 with a better antenna, running OpenMqttGateway 1.8.1: <code>mosquitto_pub -h <IP> -t "ackspace/OMG_ESP32_LORA/commands/MQTTtoLORA" -m '{"message":"0118999:Hack the planet! "}'</code> === result === <gallery> motorola_jig.jpg|really jank jig motorola_parts.jpg|separate parts motorola_lora.jpg|LoRa module in place </gallery> {{Html5media|motorola_lora_msg.mp4|Incoming LoRa pager message}} Some notes: * the range is a bit disappointing: successful transmission at a little over 100m line of sight using default settings on both pager and 'gateway' === todo === * files and commands === references === <references /> [[Category:LoRa]]
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