Changed type of LEDs

• Improved visibility of LED.
• Improved sticker design to maximize daylight visibility of the LED indicators.

TFRPM01D - Manufacturing quality improvements

• Removing the support layer in the box mounting screw hole
• Reverting the hole for the screw head in the bottom sticker.

TFRPM01D - The new revision

Changelog

• Silkscreen improved

• Power indicating LED added

• Minor layout redesign

• Case color and material: PolyMaker PLA PolyMax Green

TFRPM01C - Improved version release

Changelog

• Introduced a case sticker
• Changed resistor R2 value from 100R to 82R
• Changed default pull-up R1 to 22k Ohm
• Screw head in the TFRPM case flipped on the opposite side
• I2C address and voltage switching changed from resistor to solderable pads JP1 and JP2
• Zener diode over-voltage protection increased to 6.2V
• Increased light intensity of Pulse LED.

TFRPM01B - European market availability

The first commercially available version for EU market.