# All Questions

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### LMK03318 Programming Data Failure

I am trying to program the LMK03318 clock generator using the CodeLoader IDE from TI and the USB2ANY programming module. I am seeing issues with the SDA and SCL lines. When I probe the SDA and the SCL ...
163 views

### Are solar panels ever used to remove energy?

Solar panels convert energy from the sun into electrical energy. Following the first law of thermodynamics, this means they remove some of the solar energy that would otherwise most likely be absorbed ...
46 views

### Charge unspecified battery pack through 2.5mm DC output cable

I recently bought a new bike/cycle that came with a BBB Highpower 2.0 torch/lamp. The lamp is attached to a battery pack with no specifications on the outside through a 2.5mm DC connection cable. I ...
271 views

### Spartan-6 -- Map failed due to using a non-clock pin for a global buffer instance

I'm trying to use Spartan 6 (TQG144) PLL to generate a high speed clock. I used IP core generator to config the PLL. Here is the simple VHDL code I have to use the generated component: ...
59 views

### Transform linear acceleration from frame of reference of IMU to vehicle

I'm using a 6-axis IMU (accelerometer + gyro) and collecting lateral and longitudinal acceleration (Ax an Ay) when in my car. But this device (with IMU) is positioned at an angle when plugged into the ...
53 views

### Microcontroller MOSFET-driven RGB LED strip controller

I'm trying to DIY a very simple RGB strip controller, nothing fancy. The goal is that it has to be driven from a 3.3 V / 5 V microcontroller output, using some N-channel MOSFETs. Since I've never ...
73 views

### Does an eFuse exist that latches off immediately (and does not reactivate) in case of a short-circuit?

I've just discovered eFuses (from Texas Instruments + Toshiba + STMicro). In case of a short-circuit on the output, MOS can be disabled in 150-500 ns by detecting a surge of current (called "fast-...
59 views

### Unusual Polarity Symbols on Universal Adaptor

The polarity symbols on my universal adapter look a bit different to ones I have seen. Which setting should I use to power the device shown please, top or bottom position for the switch on the adapter?...
67 views

40 views

### How can one connect external sensors to an Android device to receive data from the sensors on the phone?

I need to build a device which transmits data from wearable biosensors wirelessly to an Android mobile device. For example - How can we transmit data from a small ECG device connected to ones chest ...
52 views

### Risks of variable power loads on an offgrid inverter (zero-crossing PWM)?

My goal is to regulate loads in my offgrid inverter-powered system. I moved to a fully offgrid house with batteries and a pure sine inverter. I would like to control how much I dump of my solar ...