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Handheld device
samuk edited this page Jan 17, 2022
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2 revisions
Concept for a handheld device designed for longevity ~15 years?
- Waterproof
- Robust
- Wireless charging/power
- Low power - capable of being directly solar-powered.
- No onboard battery - Connect one to the wireless charger if you want one.
- No onboard battery - Connect one to the wireless charger if you want one.
- No onboard power socket - Connect one to the wireless charger if you want one.
- Use capacitive touch on the PCB with a waterproof coating
- Add a Papyr (eink NRF52) https://www.tindie.com/products/electronutlabs/papyr-nordic-nrf52840-epaper-display/ (schematic available) to that PCB
- Add a low energy Lora chip
- Pot all that in waterproof gunk
- Add a wireless charger to the back of the PCB
- Have holes around edge of PCB that aluminum bits can be bolted to to make it rugged, add batteries, solar etc too.