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Recent Posts
- Solar Thermal Tube testing
- Ruby v1.0b
- Ruby v1.0a
- Radios!
- Drilling the Marineland 300DD
- RF Interference
- Eflite 120mAh test done!
- Testing the Eflite 120mAh battery with a minimal jeenode
- Reading Lipo Voltage
- Reading the ARSSI pin on the Si4221/HopeRF 12B
- DHCP on the ENC28J60
- Silicon Labs’ RF chips
- RF12 packet loss
- RF12B Antenna length/type
- RF12B Modules…time to switch frequency?
Archive
- September 2011 (2)
- August 2011 (1)
- July 2011 (3)
- June 2011 (6)
- May 2011 (14)
Recent Comments
Solar Thermal Tube testing
I have 40 solar tubes on the roof of my house. I’ve always wondered how well each tube was functioning. I wrote a monitoring system built around Zigbee for my…
Featured Stories
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Drilling the Marineland 300DD
I wanted to setup a BeanAnimal Silent and Fail-Safe overflow. From all the overflow systems that I have seen, it makes the most sense and appears to have a good…
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RF Interference
I’ve been building some cabinets in the garage the last few days. I noticed that I was missing some data and dropping packets from the RF12 radios. Here is a…
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Eflite 120mAh test done!
So a few days ago, the Jeenode stopped sending data. The beginning of this test can be found in this post. It stopped after sending 15,200 data points. That is…
Latest
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Testing the Eflite 120mAh battery with a minimal jeenode
Posted on June 17, 2011 | 4 CommentsI want to build some small wireless sensor nodes that run off small LiPo batteries and use small solar cells to charge the battery. I found some small LiPo batteries... -
Reading Lipo Voltage
Posted on June 15, 2011 | 1 CommentI’m testing a mini LiPo battery to see how long it will power a Jeenode. I bought this battery: It is listed as a 3.7V, 120mAh 1S 14C LiPo battery.... -
Reading the ARSSI pin on the Si4221/HopeRF 12B
Posted on June 14, 2011 | No CommentsThe Si4221 has a digital received signal strength indicator (RSSI). You can set a threshold in the configuration and the pin will go low when that threshold has been broken....