With two signal wires connected to the Arduino’s I2C (analog pins 4 and 5), this shield can now display text:
The characters are generated by the display chip, with a bit of tweaking to map ASCII code to its somewhat odd character code allocation.
Computing stuff tied to the physical world
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Recent Posts
- Turning the page on 2015
- Tying up 2015’s loose ends
- Switching to a new server
- A diversion into FPGAs
- A fingernail vs a moon lander
- Pi-based STM32F103 development
- Programmer PCB Triple Play
- Talking to an STM32
- The world of STM32
- Making a sharp turn
- IDE w/ LPC824, part 2
- Arduino IDE w/ LPC824
- Meet the Tinker Pico (again)
- Getting back in the groove
- Shedding weight
- Bandwagons and islands
- Hundertwasser
- Space tools
- Clojure and ClojureScript
- A feel for numbers
- Lessons from history
- Doodling with decoders
- Could a coin cell be enough?
- Forth on a DIP
- RFM69s, OOK, and antennas
- Greasing the “make” cycle on Mac
- Low-power mode :)
- FTDI over WiFi: esp-bridge
- Moving up a (few) level(s)
- Code for the LPC8xx
- Introducing the LPC824
- RFM69 on ATmega
- RFM69 on Raspberry Pi
- Micro Power Snitch, success!
- Micro Power Snitch, part 7
- Micro Power Snitch, part 6
- We interrupt this program
- Dataflash via SPI
- Analog on the cheap
- Emulating EEPROM
- From LPC810 to LPC812
- Micro Power Snitch, last part
- Micro Power Snitch, part 4
- Micro Power Snitch, part 3
- Micro Power Snitch, part 2
- Micro Power Snitch
- Uploading over serial
- Bits, pointers, and interrupts
- LPC810 meets RFM69, part 3
- Volta makes the world go round
- Embedded Linux
- LPC810 meets RFM69, part 2
- LPC810 meets RFM69
- Eye Squared See
- Schematics and layouts
- Dip into the LPC810
- Garage Parking Aid
- Getting started, final episode
- Getting started, episode 3
- Getting started, episode 2
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Archives
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About
"Jee" stands for JC's Environmental Electronics. This blog is maintained by Jean-Claude Wippler.- Alphabetical and Chronological index of weblog posts.
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