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I will design solar powered lorawan sensor board pcb for off grid esp32 iot and battery
Electronics Engineer And PCB Designer
Hi, I’m an electronics and electrical engineer with 20+ years of experience designing low power IoT hardware, from LTE-M and satellite trackers on STM32 and ESP32, to nRF91 cellular wearables with Zep...
About this Gig
Hello and welcome
Need a reliable solar powered LoRaWAN sensor board for an off-grid project?
Boards like this fail in the field for the same reasons: poor energy planning, a solar charger that stalls in low light, weak antenna range, and a radio that browns out when it transmits. The result is dead sensors, lost data and costly site visits. I design the schematic and PCB around your requirements, so your node runs on a solar panel and battery, wakes on a schedule or a sensor trigger, and reports reliably from the field, season after season. Ideal for smart agriculture, weather stations, water and tank levels, and remote monitoring.
WHAT I OFFER
- Solar charging with MPPT
- Battery or supercapacitor storage
- LoRaWAN radio and ESP32 integration
- Sensor interfaces: I2C, SPI, analog
- 3.3V, 5V and 12V sensor power
- Deep sleep and wakeup design
- Antenna placement and matching
- Surge and ESD protection
- Weatherproof enclosure layout
- Board changes and redesign
DELIVERABLES
Schematic, PCB source files, BOM, Gerber files, drill, pick and place files, STEP model, power budget notes
Message me before ordering to discuss your sensor project, power source and size, and I'll reply with a clear plan.
My Portfolio
Other Electronics Engineering Services I Offer
FAQ
Which LoRa frequency bands do you support?
I design for 433 MHz, 868 MHz, 915 MHz and other regional LoRaWAN bands, such as EU868 or US915. Tell me where the board will be used and I will select the right radio and antenna.
Can you integrate my sensors into the board?
Yes. I can connect temperature, humidity, pressure, soil moisture, water level, light, gas and motion sensors using I2C, SPI, analog or digital inputs, including sensors that need 5V or 12V power.
How will the board keep running at night and in low light?
I build a power budget from your sensors and reporting interval, then size the solar input and battery or supercapacitor to match. Deep sleep keeps current low between readings.
What files will I receive?
Depending on the package: schematic, PCB source files, BOM, Gerber and drill files, pick and place files, STEP model and power budget notes, ready for manufacturers such as JLCPCB and PCBWay.
Do you write the firmware as well?
This gig covers the hardware design. Firmware for the ESP32 and LoRaWAN network setup can be quoted separately as a custom order. Message me first to discuss what you need.
Can you sign an NDA?
Yes. I can work under an NDA on request, and your designs and files stay confidential.
What do I need to provide before we start?
Your sensor list, how often it reports, the solar panel and battery if you have them, size limit and region of use. A sketch or reference design helps but is not required.
