Really Large Size 7 Segment Display with SPI Interface – 8 Channel SPI Relay Board

Really Large Size 7 Segment Display with SPI Interface – 8 Channel SPI Relay Board

This is an SPI Interface multichannel relay board for high voltage AC or low voltage DC loads. It is ideal for controlling LEDs lights, coffee machines, fans, pumps, or other high-voltage electrical appliances. The board also breaks out the SPI header, so controlling other boards is...

Continue Reading
1.048
Views
0 Comments
4 Channel SPI Interface Isolator with three Forward and One Reverse Direction Channels

4 Channel SPI Interface Isolator with three Forward and One Reverse Direction Channels

The project described here is a Quad-channel digital isolator with 5000VRMS isolation ratings per UL 1577. The board has three forward and one reverse-direction channel which makes this project ideal for isolated SPI interface between microcontroller and subnode unit. The circuit...

Continue Reading
1.032
Views
0 Comments
SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP

SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP

The project presented here is an SPI programable Gain Amplifier using MAX9939. The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense,...

Continue Reading
1.080
Views
2 Comments

Join 97,902 other subscribers

Archives