Last week, I wrote about NavSpark Mini a $6 GPS + Beidou module, that’s also available for “free” plus $10 shipping. However, if you don’t have an antenna, you’d also need to add a $9 antenna, bringing the total price to $19 for this low cost GPS solution. But there’s actually a cheaper alternative with Ublox NEO-6M GPS module, as it sells for $10 with a GPS antenna including shipping on either Aliexpress or eBay. Ublox NEO-6M based GPS module specifications: NEO-6M-0-001 module Storage – EEPROM for configuration data External interfaces – UART; default baudrate: 9600 bps Misc – RTC battery (MS621FE) Power Supply – 3 to 5V The battery may not always be included due to transport regulations, so you may have to purchase it separately and solder it yourself. The module is not exactly new, and has been around at least since 2013, so there’s also some documentation, […]