Put a temp sensor inside and log profile then you can alarm when your prawn or chicken sandwich inside has spoilt or when your bottle of beer too hot for consumption!
Of course, and the black solar panel will surely help generate some thermal profile.
He can get a LoRa notification when his hot ham and cheese sandwich is ready.
I did… how did you know my lorawan use case
Is module with: ESP8285 (ESP8266), 50 kB RAM, 1 MB Flash
I think I would prefer a TTGO Micro-32 - ESP32-Pico-D4 module instead:
Module with: ESP32 Pico, 2 cores, 520 kB RAM, 4 MB Flash
true more power in a little box.
but its something I want to try… receiving TTN MQTT over wifi in a little client… how… don’t know yet but we need small displays and wifi
almost forgot this … well the parts are coming in … ZzzzZZZzzzzz lowly.
little vacuumpump 5v (170 Ma)
balance / protection boards if you connect more then one li-ion battery
- https://www.ebay.com/itm/2-cells-6A-15A-peak-Li-ion-Lithium-18650-14450-Battery-In-Out-Protection-PCB/121035958560
- https://www.ebay.com/itm/3-cells-4A-w-balancing-Li-ion-Lithium-18650-14450-Battery-Input-Ouput-Protection-/111526325783
- https://www.ebay.com/itm/3-cells-8A-w-balancing-Li-ion-Lithium-18650-14450-Battery-Input-Ouput-Protection-/121293888601
- https://www.ebay.com/itm/3S-20A-Li-ion-Lithium-Battery-18650-Charger-Protection-Board-11-1v-12-6v-Cell/192006641256
ps you don’t need them for nodes
Nice LCD , Could u tell me from where can I buy something like this ?
Thx!
US $1.98 incl. shipping
Thx !
Don’t care If i don’t need them for nodes, it would be great for my Yaesu FT817
Evaluating the Meetjestad node for TTN Community TTN-Apeldoorn.
Interesting design in both hard- and software. Still many questions about the design considerations.
what’s 'onboard ? 328p / rfm95w / 3v3 dc dc /bme 280 . just guessing
yes, yes, yes, yes. GPS is not connected.
I think it’s an FPGA with 256M gates.
(Sensors to be added on the left.)
its an PE1duino … probably with CH2i lowpowuRrrrrrr