Circuit Dojo: nRF9151 & nRF9160 Feather development boards

Turning a travel router into an LTE-M gateway with the nRF9151 Feather

Oct 26, 2026

One USB cable turns a GL.iNet GL-MT300N-V2 running OpenWrt into a cellular gateway, with the nRF9151 Feather as its WAN. CMUX splits the serial port so PPP data and AT commands share it, a small daemon keeps the link healthy, and mwan3 fails over from Ethernet to LTE-M.

Solar Monitor Setup

Jul 16, 2026

A complete guide to wiring an EG4 6000XP inverter to a Raspberry Pi and running Solar Monitor for local monitoring, settings management, and notifications.

Getting started with NTN on the nRF9151 Feather

Jul 6, 2026

NTN extends NB-IoT over satellite — connectivity anywhere your device can see the sky. Here's the full bring-up on the nRF9151 Feather with Skylo and Soracom: modem firmware, the two-IMSI SIM dance, band locks, and the AT commands that got a live satellite attach.

Air Quality Wing (v6)

$36.00

nRF9151 Feather (A1A silicon)

$69.00

nRF9151 Feather (A1A silicon) - Basic

$59.00

GPS Antenna

$10.00

LTE Antenna

$5.00

Battery Holder

$5.00

Honeywell Particulate Sensor

$65.00

Female Headers

$3.00

Recovery & Programming Mini Fixture

$21.00

LTE + GPS Combo Antenna

$8.00

Hologram Hyper eUICC IoT SIM Card

$3.00

Recovery & Programming Mini Fixture (Male Headers)

$21.00