Thermal Imaging Gear that Won’t Break the Bank
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Overview of the tCam-Mini (Rev 4)
The hardware was updated recently in March 2022 to have a USB-C connector and have direct connection to another microcontroller or SBC without using Wi-Fi to stream thermal data over hardwire instead of the airwaves. It also sports a newer version of the firmware and includes an antenna to allow for drone usage (found on Julio’s website).The tCam-Mini is able to integrate easily with its desktop application running on Linux, Mac OS X, Windows and iOS allowing the instant gratification of being able to view data and use the Lepton camera immediately.
Hardware Specs:
- Espressif ESP32-WROVER-E Module (ESP32-D0WD0V3, 8 MB PSRAM, 8 MB Flash) with built-in antenna
- CP210N-A02 USB to UART bridge with ESP32 boot loader control
- Multi-voltage power supply (3.3V, 3.0V, 2.8V, 2.2V)
- Dual color (Red/Green) status LED
The Background of the tCam-Mini:
The open source availability of the hardware, firmware and software is something that cannot be stressed enough. Jullio’s regards for open source projects makes this device, along with future projects, a contribution to the larger “Maker Movement”:“I became aware of the Maker Movement and Boulder’s local maker space, Solid State Depot, from the burning man crowd I was getting to know, “ says Julio. “...I really like the idea of a technical community with knowledge sharing as a core.”
The tCam-Mini has been featured in CircuitState and Hackaday. The interview with Dan Julio and GroupGets can be seen here.
How to get the tCam-Mini at the Best Deal
Julio is continuing to sell the individual, tCam-Mini unit on GroupGets; however, he has also expanded its availability through the “tCam-Mini Bundle”, a group buy campaign.This campaign features 3 components:
- The tCam-Mini Rev 4
- The Flir Lepton FS: a non-radiometric 160x120 resolution micro thermal camera module
- An in-house, machined case compatible with GoPro mount.
What does group buy mean? The tCam-Mini bundle is ready to ship to campaign backers as long as the funding goal (10 backers needed) is met. At the time of this being written, there are 5 confirmed backers for the campaign.
The link to the tCam-Mini Bundle: https://groupgets.com/campaigns/1033-tcam-mini-bundle
For more information on how GroupGets campaigns work, the policy is listed here.

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