Final Product - Juno Watch v1.0 A ultra Low Power RGB watch using NATO style wrist Watch - AVR MCU

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5 Reasons why this is the best LED PCB watch on this planet earth:
►1: True watch with solid battery life ( ~4 months with LED continuously blinking every second || 5.5 years under normal operation || 30 years ticking on deep sleep mode )

►2: 38mm diameter clock face with RGB LED ( Getting 12 RGB on this tiny PCB can be extremely hard, so most similar LED watches use single color LED, and it actually took me a lot of effort to come up with this PCB design. A lot of consideration and calculation.)

►3: Near perfect LED and button Code (6 display modes with 2 brightness levels, outdoor readable LED. Reading the time from a watch like this can be hard, so I have spent a huge amount of time testing various timing on the blinking LED. These 6 display modes are as perfect as it can be within the hardware limit. )

►4: Simplest circuit design ( The watch uses only 6 components plus 12 RGB LED, this is a resistor-less LED design with brightness control solely by precision timing, possible only with solid understanding how to compensate hardware limitation with superiority coding. )

►5: Accurate Guaranteed ( It runs on a highest quality 20 ppm crystal within the package size. My watch has been running for 4 days within seconds accuracy. This is like the 20th clock that I have built in the past decade. I am not an expert, but a master. )

🔑 FEATURES & SPECS
✓ Ultra low power project - 1.1uA (deep sleep mode) : 6.4uA (normal operation): ~100uA (LED blinking modes)
✓ Finely crafted 6 display modes - High and Low brightness, Outdoor-proof
✓ 12 RGB LEDs intuitive time reading - Red LED for Hour; Green for minute/5; Blue for minute%5
✓ High Quality 20 ppm crystal - Time accurate within seconds - Max 52 seconds drift in 1 month
✓ 2 expertly coded buttons - Low power and sophisticated for all task including setting the time
✓ Emergency Flashlight Mode - Hold both buttons to activate all 12 LEDs as life-saving light source
✓ Optimized PCB Design - 38mm diameter face, designed for unisex, comfort and wearability

PS. The first song is 3rd firmware; Second song is 2nd firmware.
PSS. I am sorry for the occasional gibberish spoken in this video, but on the bright side, this gives you a very good training on your listening skill.




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